Retrofitting of firing bituminous coal for boilers burning anthracite coal

WANG Chunchang1; WANG Enze2; ZHANG Wei2 1.Xi'an Thermal Power Research Institute Co.

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Retrofitting of firing bituminous coal for boilers burning anthracite coal

Thermal Power Generation Vol. 42, Issue 5, Pages: 69-71(2013)

更新时间：2025-09-28

- Retrofitting of firing bituminous coal for boilers burning anthracite coal
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 华润电力(兴宁)有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227.1
- Published：2013
- 稿件说明：
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WANG Chunchang1, WANG Enze2, ZHANG Wei2 1.Xi'an Thermal Power Research Institute Co.. Retrofitting of firing bituminous coal for boilers burning anthracite coal[J]. Thermal Power Generation, 2013, 42(5): 69-71.
DOI：

WANG Chunchang1, WANG Enze2, ZHANG Wei2 1.Xi'an Thermal Power Research Institute Co.. Retrofitting of firing bituminous coal for boilers burning anthracite coal[J]. Thermal Power Generation, 2013, 42(5): 69-71. DOI：

摘要

采用烟煤型布置、取消卫燃带以及热一次风加热器技术等对某电厂2×135MW机组燃用无烟煤锅炉进行了改烧烟煤的改造

改造后在燃用以神华煤为主的烟煤时

锅炉的飞灰可燃物含量由原来的7%～10%降低到1%以下

锅炉排烟温度降低了20℃以上

锅炉热效率提高了3.0%以上

机组的供电煤耗降低了10g/(kW·h)以上。而且

炉内结渣程度可控

制粉系统和送粉系统运行安全可靠

改造达到了预期效果。

Abstract

On the basis of such technologies as applying bituminous coal type layout

canceling refractory belt and hot primary air heater

retrofitting of firing anthracite coal on two 135 MW unit boilers burning bituminous coal was performed.After the transformation

when the fuel mainly consisted of bituminous coal was burned

the combustible content in fly ash dropped from 7%-10% to below 1%

the exhaust temperature decreased by more than 20 ℃

the boiler efficiency increased by 3.0%

and the coal consumption for power supply reduced by more than 10 g/(kW·h).Moreover

the slagging in furnace can be controlled

and the operation of pulverizing and feeding system is safety and reliable

which reached the expecting effect.

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